java.io.InvalidClassException: com.justwayward.reader.bean.Recommend$RecommendBooks; Incompatible class (SUID): com.justwayward.reader.bean.Recommend$RecommendBooks: static final long serialVersionUID =8246763701377742710L; but expected com.justwayward.reader.bean.Recommend$RecommendBooks: static final long serialVersionUID =7451408975579378993L; at java.io.ObjectInputStream.verifyAndInit(ObjectInputStream.java:2380) at java.io.ObjectInputStream.readNewClassDesc(ObjectInputStream.java:1662) at java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:683) at java.io.ObjectInputStream.readNewObject(ObjectInputStream.java:1803) at java.io.ObjectInputStream.readNonPrimitiveContent(ObjectInputStream.java:787) at java.io.ObjectInputStream.readObject(ObjectInputStream.java:2003) at java.io.ObjectInputStream.readObject(ObjectInputStream.java:1960) at java.util.ArrayList.readObject(ArrayList.java:657) at java.lang.reflect.Method.invokeNative(Native Method) at java.lang.reflect.Method.invoke(Method.java:511) at java.io.ObjectInputStream.readObjectForClass(ObjectInputStream.java:1354) at java.io.ObjectInputStream.readHierarchy(ObjectInputStream.java:1266) at java.io.ObjectInputStream.readNewObject(ObjectInputStream.java:1855) at java.io.ObjectInputStream.readNonPrimitiveContent(ObjectInputStream.java:787) at java.io.ObjectInputStream.readObject(ObjectInputStream.java:2003) at java.io.ObjectInputStream.readObject(ObjectInputStream.java:1960) at com.justwayward.reader.utils.ACache.getAsObject(ACache.java:469) at com.justwayward.reader.manager.CollectionsManager.getCollectionList(CollectionsManager.java:54) at com.justwayward.reader.manager.CollectionsManager.add(CollectionsManager.java:173) at com.justwayward.reader.ui.activity.ReadActivity$7.onClick(ReadActivity.java:632) at android.support.v7.app.AlertController$ButtonHandler.handleMessage(AlertController.java:157) at android.os.Handler.dispatchMessage(Handler.java:99) at android.os.Looper.loop(Looper.java:137) at android.app.ActivityThread.main(ActivityThread.java:4819) at java.lang.reflect.Method.invokeNative(Native Method) at java.lang.reflect.Method.invoke(Method.java:511) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:793) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:560) at dalvik.system.NativeStart.main(Native Method)